Merge branch 'stable-2.13'

* stable-2.13:
  Add project name to commit received hook
  Always return the output from ref-update hook

Change-Id: Id86c2c7acf94e2a7b2e1a3e3af7c3637b054f65f
tree: b16bbaa0e3240feb1403f5f207deb07270abfe80
  1. src/
  2. .gitignore
  3. BUCK
  4. BUILD
  5. LICENSE